Version 4
SHEET 1 1296 680
WIRE -432 80 -496 80
WIRE -144 80 -208 80
WIRE 416 80 320 80
WIRE -208 128 -208 80
WIRE -496 144 -496 80
WIRE 320 144 320 80
WIRE -496 256 -496 224
WIRE -208 256 -208 208
WIRE 320 256 320 224
WIRE 416 304 320 304
WIRE -400 352 -496 352
WIRE -48 352 -144 352
WIRE -496 368 -496 352
WIRE -144 368 -144 352
WIRE 320 368 320 304
WIRE -496 480 -496 448
WIRE -144 480 -144 448
WIRE 320 496 320 448
FLAG -496 256 0
FLAG 320 256 0
FLAG -432 80 VIN_AMP
FLAG 416 80 VOUT
FLAG -496 480 0
FLAG -400 352 VOUTdd
FLAG -208 256 0
FLAG -144 80 VIN
FLAG 320 496 0
FLAG 416 304 VOUT2
FLAG -144 480 0
FLAG -48 352 VOUTdd2
SYMBOL voltage -496 128 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value SINE(0 4.6 77)
SYMBOL bv 320 128 R0
SYMATTR InstName B1
SYMATTR Value V=if(V(VIN)-absdelay(V(VIN), 10u)<0,V(VOUTdd), V(VIN))
SYMBOL bv -496 352 R0
SYMATTR InstName B4
SYMATTR Value V=absdelay(V(VOUT), 1u)
SYMBOL bv -208 112 R0
SYMATTR InstName B5
SYMATTR Value V=abs(V(VIN_AMP)*sin(1000*2*PI*time))
SYMBOL bv 320 352 R0
SYMATTR InstName B6
SYMATTR Value V=if(V(VIN)-absdelay(V(VIN), 10u)>0, absdelay(V(VOUTdd2), 1u), V(VOUT))
SYMBOL bv -144 352 R0
SYMATTR InstName B7
SYMATTR Value V=absdelay(V(VOUT2), 1u)
TEXT -512 304 Left 2 !.tran 50m